Finding the Third Proportional to 49,242.38 and 72,115.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,242.38 : 72,115.88 = 72,115.88 : x
2. Step 2: Convert to fraction form
   49,242.38/72,115.88 = 72,115.88/x
3. Step 3: Cross multiply
   49,242.38x = 72,115.88 × 72,115.88
4. Step 4: Simplify right side
   49,242.38x = 5,200,699,427.02
5. Step 5: Solve for x
   x = 5,200,699,427.02/49,242.38
6. Step 6: Final answer
   x = 105,614.31